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Video: Koj pom tus x cuam tshuam hauv y MX B li cas?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txhawm rau nrhiav x - cuam tshuam , hloov y = 0 ces daws. Yog li ntawd, cov x - cuam tshuam yog 6/5. Txij li qhov kev ua zauv no nyob hauv daim ntawv y = mx ua + b , thiab b yog tus nqi ntawm y ntawm y - cuam tshuam , koj kuj paub cov y - cuam tshuam yuav tsum yog -12.
Ib yam li ib tus tuaj yeem nug, koj yuav pom x cuam tshuam li cas hauv kev nqes hav cuam tshuam daim ntawv?
Rau nrhiav cov x - cuam tshuam ntawm qhov muab kab zauv muab tso, ntsaws 0 rau 'y' thiab daws rau ' x '. Rau nrhiav tus y- cuam tshuam , ntsaws 0 rau ' x 'thiab daws rau' y '. Hauv qhov kev qhia no, koj yuav pom yuav nrhiav li cas cov x - cuam tshuam thiab y- cuam tshuam rau qhov muab kab zauv linear. Txheeb nws tawm!
Kuj Paub, Dab tsi yog X cuam tshuam ntawm kev sib npaug? Cov x - cuam tshuam yog cov ntsiab lus uas teeb duab ntawm cov haujlwm lossis ib qho kev sib npaug hla los yog "kov" tus x -axis ntawm lub dav hlau Cartesian. Tej zaum koj yuav xav txog qhov no ua tus taw tes nrog y-tus nqi ntawm xoom. Txhawm rau nrhiav x - intercepts ntawm kev sib npaug , cia y = 0 y = 0 y = 0 ces daws rau x.
Ib yam li ntawd, nws tau nug, ua li cas koj pom qhov x cuam tshuam ntawm kab?
Txhawm rau nrhiav x tiv siv qhov sib npaug ntawm kab , ntsaws rau hauv 0 rau qhov sib txawv y thiab daws rau x . Koj tseem tuaj yeem siv daim duab ntawm tus kab mus nrhiav x cuam . Tsuas yog saib ntawm kab ntawv rau lub ntsiab lus uas kab crosses cov x -axis, uas yog kab rov tav. Lub ntsiab lus ntawd yog x cuam.
Koj tuaj yeem tau txais Y cuam tshuam li cas?
Yuav nrhiav tau y tiv siv kab zauv ntawm kab, ntsaws 0 rau x sib txawv thiab daws rau y . Yog hais tias qhov sib npaug tau sau rau hauv txoj kab nqes hav- cuam tshuam daim ntawv, ntsaws rau hauv txoj kab nqes thiab qhov x thiab y coordinates rau ib qho point ntawm kab los daws rau y.
Pom zoo:
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Thaum koj pom qee yam tshwm sim, Ua ib yam dab tsi! Ncaj nraim qhov xwm txheej. Nkag mus thiab hais lossis ua ib yam dab tsi los txwv qhov xwm txheej. Piv txwv li, yog tias ib tus neeg tab tom sim coj tus menyuam kawm ntawv qaug cawv mus rau chav, koj tuaj yeem cuam tshuam ncaj qha los ntawm kev coj tus neeg ntawd mus thiab hais tias, "Hav txiv neej, nws zoo li qaug cawv
Kev cuam tshuam cuam tshuam li cas rau nthwv dej?
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Lub teeb yog refracted thaum nws hla lub interface los ntawm huab cua rau hauv iav uas nws txav qeeb dua. Txij li thaum lub teeb hloov pauv ntawm lub interface, lub nthwv dej ntawm lub teeb yuav tsum hloov, ib yam nkaus. Lub wavelength txo qis thaum lub teeb nkag mus rau nruab nrab thiab lub teeb yoj hloov pauv kev taw qhia
Koj pom Y cuam tshuam li cas thaum muab cov ntsiab lus?
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Txheeb xyuas txoj kab nqes, m. Qhov no tuaj yeem ua tiav los ntawm kev suav qhov nqes hav nruab nrab ntawm ob lub ntsiab lus paub ntawm kab siv txoj kab nqes hav. Nrhiav tus y-cuam tshuam. Qhov no tuaj yeem ua tau los ntawm kev hloov txoj kab nqes thiab cov kev sib koom ua ke ntawm ib qho point (x, y) ntawm kab hauv theslope-intercept formula thiab tom qab ntawd daws rau b
Koj pom qhov x cuam tshuam li cas ntawm lub hauv paus muaj nuj nqi?
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Txhawm rau nrhiav x-intercept(s) x-intercept(s), hloov hauv 0 0 rau y y thiab daws rau x x
Dab tsi yog x cuam tshuam hauv daim ntawv nqes hav cuam tshuam?
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Peb tuaj yeem siv daim ntawv nqes hav-intercept (y = mx + b). Qhov kev cuam tshuam x yog pom los ntawm kev teeb tsa y = 0, vim qhov ntawd yuav ua rau peb x-tus nqi uas cov kab hla ntawm x-axis